Mayflower Group Mine

The Mayflower Group Mine is a zinc, lead, gold, and silver mine located in Boise county, Idaho at an elevation of 4,400 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Mayflower Group Mine  

State:  Idaho

County:  Boise

Elevation: 4,400 Feet (1,341 Meters)

Commodity: Zinc, Lead, Gold, Silver

Lat, Long: 43.9531, -115.99530

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Mayflower Group Mine

Mayflower Group Mine MRDS details

Site Name

Primary: Mayflower Group Mine
Secondary: Mayflower and Elizabeth Group


Commodity

Primary: Zinc
Primary: Lead
Primary: Gold
Primary: Silver
Secondary: Copper
Tertiary: Bismuth


Location

State: Idaho
County: Boise
District: Boise Basin Or Quartzburg District


Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: J. B. Eldridge

Owner Name: Texas-Owyhee Mining And Development Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1882
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains


Mineral Deposit Model

Not available


Orebody

Form: LINEAR


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidized, Sericitized, Slightly Silicified


Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Holocene

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Bismuthinite
Ore: Gold
Ore: Galena
Gangue: Pyrite
Gangue: Siderite
Gangue: Quartz


Comments

Comment (Deposit): Discovery Year: EARLY 1880'S

Comment (Production): TOTAL PRODUCTION SLIGHTLY IN EXCESS OF $15000 IN EARLY OPERATIONS; TOTAL VALUE OF ORE UP TO MARCH 12, 1938 WAS $83500. BY EARLY 1939 TEXAS-OWYHEE MINING AND DEVEL. CO. HAD MILLED 19712 TONS OF ORE FOR WHICH SMELTER RETURNS WERE $132606.19

Comment (Location): ADJOINS GOLD HILL GROUP TO THE SW. LIES IN BASIN OF WEST FORK OF GRANITE CR.

Comment (Development): 2 PATENTED, 7 UNPATENTED CLAIMS; 80 TON FINE-GRINDING AND FLOTATION CONCENTRATOR. SURFACE PLANT DISMANTLED IN 1940; NO PRODUCTION SINCE 1949.


References

Reference (Deposit): BALLARD, S. M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN, BOISE COUNTY, IDAHO: ID. BUREAU OF MINES AND GEOL: BULL. NO. 9, 103 P.

Reference (Deposit): ROSS, C.P., 1934, SOME LODE DEPOSITS IN THE NORTHWESTERN PART OF THE BOISE BASIN, IDAHO: USGS BULL. 846-D, P. 239-277.

Reference (Deposit): ANDERSON, A.L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 266-273.

Reference (Deposit): JONES, R.W., 1959, MAYFLOWER AND ELIZABETH GROUP: IDAHO BUR MINES AND GEOLOGY OPEN-FILE REPT.

Reference (Deposit): 1924 GEOLMAP IDAHO BUR MINES BULL. 9.

Reference (Deposit): 1934 GEOLMAP ROSS, C.P., BULL. 846-D.

Reference (Deposit): 1947 GEOLMAP ANDERSON, A.L., BULL. 944-C.

Reference (Deposit): 1959 OTHER IDAHO BUR MINES AND GEOLOGY OPEN-FILE REPT.

Reference (Production): BALLARD, S. M., 1924: ID. BUREAU OF MINES AND GEOL., BULL. NO. 9 ANDERSON, A.L., 1947, USGS BULL. 944-C.


Idaho Gold

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"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.